Release candidate 7 of 2.16 - LilyPond 2.15.39 released

[Graham Percival]

LilyPond 2.15.39 is out; this is the seventh release candidate of
the upcoming 2.16 stable release. All users are invited to
experiment with this version. New features since 2.14.2 are listed
in the “Changes” manual on the website section about Development.
http://lilypond.org/development.html

There are no known Critical issues with this release. If no
Critical bugs are found, then the official 2.16.0 release will be
on 05 June 2012. If you discover any problems, please send us Bug
reports.
http://lilypond.org/bug-reports.html

- Graham